[4 cases of lingual thyroid].
D000293:Adolescent; D000328:Adult; D002648:Child; D003409:Congenital Hypothyroidism / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D009230:Myxedema / Q000209:etiology*; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000002:abnormalities*; D014059:Tongue